38926540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{31907}}^1$

素因数の和:31977

約数の個数: 24

約数和(自身を含む): 83088432

約数和(自身を除く): 44161892

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 31907, 63814, 127628, 159535, 319070, 638140, 1946327, 3892654, 7785308, 9731635, 19463270, 38926540]

約数ペア:

[(1, 38926540), (2, 19463270), (4, 9731635), (5, 7785308), (10, 3892654), (20, 1946327), (61, 638140), (122, 319070), (244, 159535), (305, 127628), (610, 63814), (1220, 31907)]